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Analysis
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max time kernel
140s -
max time network
17s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
25/07/2024, 10:04
Behavioral task
behavioral1
Sample
6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe
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Size
994KB
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MD5
6f218b9a4dd793bc86c851e06b12c65e
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SHA1
075981cf90fa7e1e6dbeddc28f035741485e7e77
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SHA256
3caa31ea631ee68d8cc7a98d331d1fc2a5d2774b133e45bad4fc81ae4c675776
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SHA512
772817c3eb98281dedd426d8f89b99587aa26d0862b2eaf9bce50b4c9a2d5e1396d099f7522984aab9901485feadc9a666b03471488078ce03d9c8fcb8b7f802
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SSDEEP
24576:58+/xmZPxY7+H0iwQPZN0AFGK9pLwqdzkp7Sn/3b2RwEPWsuJjxm4:z54Y7kjv0aGKHLwgzBn/r+YsuJVm4
Malware Config
Signatures
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{058hafc0-936f-11d3-8101-0095276c5e3a} winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{058hafc0-936f-11d3-8101-0095276c5e3a}\StubPath = "C:\\Windows\\winlogon.exe" winlogon.exe -
Executes dropped EXE 1 IoCs
pid Process 1312 winlogon.exe -
resource yara_rule behavioral1/memory/1920-0-0x0000000000400000-0x0000000000545000-memory.dmp upx behavioral1/files/0x0009000000012119-9.dat upx behavioral1/memory/1920-7-0x00000000031A0000-0x00000000032E5000-memory.dmp upx behavioral1/memory/1312-10-0x0000000000400000-0x0000000000545000-memory.dmp upx behavioral1/memory/1920-12-0x0000000000400000-0x0000000000545000-memory.dmp upx behavioral1/memory/1312-13-0x0000000000400000-0x0000000000545000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Windows\\winlogon.exe" winlogon.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Windows\\winlogon.exe" winlogon.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\winlogon.exe 6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe File opened for modification C:\Windows\winlogon.exe 6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1920 6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe 1312 winlogon.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1920 wrote to memory of 1312 1920 6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe 30 PID 1920 wrote to memory of 1312 1920 6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe 30 PID 1920 wrote to memory of 1312 1920 6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe 30 PID 1920 wrote to memory of 1312 1920 6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6f218b9a4dd793bc86c851e06b12c65e_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1920 -
C:\Windows\winlogon.exeC:\Windows\winlogon.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
PID:1312
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
994KB
MD56f218b9a4dd793bc86c851e06b12c65e
SHA1075981cf90fa7e1e6dbeddc28f035741485e7e77
SHA2563caa31ea631ee68d8cc7a98d331d1fc2a5d2774b133e45bad4fc81ae4c675776
SHA512772817c3eb98281dedd426d8f89b99587aa26d0862b2eaf9bce50b4c9a2d5e1396d099f7522984aab9901485feadc9a666b03471488078ce03d9c8fcb8b7f802